javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style type="text/css">
			body {
				margin: 0px;
				overflow: hidden;
				font-family: Monospace;
				text-align: center;
			}
			#info {
				color: #fff;
				position: absolute;
				top: 10px;
				width: 100%;
			}
			a {
				color: #09f;
			}
			#type-status {
				font-weight: bold;
			}
		</style>
	</head>
	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl ocean simulation<br/>
			current simulation framebuffers type is <span id="type-status"></span><br/>
			change type to <span id="change-type"></span>
		</div>

		<script src="../build/three.js"></script>
		<script src="js/libs/stats.min.js"></script>
		<script src="js/libs/dat.gui.min.js"></script>
		<script src="js/controls/OrbitControls.js"></script>
		<script src="js/shaders/OceanShaders.js"></script>
		<script src="js/Ocean.js"></script>

		<script>
			var stats = new Stats();
			document.body.appendChild( stats.dom );

			var lastTime = ( new Date() ).getTime();

			var types = { 'float': 'half-float', 'half-float': 'float' };
			var hash = document.location.hash.substr( 1 );
			if ( ! ( hash in types ) ) hash = 'half-float';

			document.getElementById( 'type-status' ).innerHTML = hash;
			document.getElementById( 'change-type' ).innerHTML = '<a href="#" onclick="return change(\'' + types[ hash ] + '\')">' + types[ hash ] + '</a>';

			var lastTime = ( new Date() ).getTime();

			function change( n ) {

				location.hash = n;
				location.reload();
				return false;

			}

			var DEMO = {
				ms_Renderer: null,
				ms_Camera: null,
				ms_Scene: null,
				ms_Controls: null,
				ms_Ocean: null,

				Initialize: function () {

					this.ms_Renderer = new THREE.WebGLRenderer();
					this.ms_Renderer.setPixelRatio( window.devicePixelRatio );
					this.ms_Renderer.context.getExtension( 'OES_texture_float' );
					this.ms_Renderer.context.getExtension( 'OES_texture_float_linear' );

					document.body.appendChild( this.ms_Renderer.domElement );

					this.ms_Scene = new THREE.Scene();

					this.ms_Camera = new THREE.PerspectiveCamera( 55.0, window.innerWidth / window.innerHeight, 0.5, 300000 );
					this.ms_Camera.position.set( 450, 350, 450 );
					this.ms_Camera.lookAt( 0, 0, 0 );

					// Initialize Orbit control
					this.ms_Controls = new THREE.OrbitControls( this.ms_Camera, this.ms_Renderer.domElement );
					this.ms_Controls.userPan = false;
					this.ms_Controls.userPanSpeed = 0.0;
					this.ms_Controls.minDistance = 0;
					this.ms_Controls.maxDistance = 2000.0;
					this.ms_Controls.minPolarAngle = 0;
					this.ms_Controls.maxPolarAngle = Math.PI * 0.495;

					var gsize = 512;
					var res = 1024;
					var gres = res / 2;
					var origx = - gsize / 2;
					var origz = - gsize / 2;
					this.ms_Ocean = new THREE.Ocean( this.ms_Renderer, this.ms_Camera, this.ms_Scene,
						{
							USE_HALF_FLOAT: hash === 'half-float',
							INITIAL_SIZE: 256.0,
							INITIAL_WIND: [ 10.0, 10.0 ],
							INITIAL_CHOPPINESS: 1.5,
							CLEAR_COLOR: [ 1.0, 1.0, 1.0, 0.0 ],
							GEOMETRY_ORIGIN: [ origx, origz ],
							SUN_DIRECTION: [ - 1.0, 1.0, 1.0 ],
							OCEAN_COLOR: new THREE.Vector3( 0.004, 0.016, 0.047 ),
							SKY_COLOR: new THREE.Vector3( 3.2, 9.6, 12.8 ),
							EXPOSURE: 0.35,
							GEOMETRY_RESOLUTION: gres,
							GEOMETRY_SIZE: gsize,
							RESOLUTION: res
						} );

					this.ms_Ocean.materialOcean.uniforms.u_projectionMatrix = { value: this.ms_Camera.projectionMatrix };
					this.ms_Ocean.materialOcean.uniforms.u_viewMatrix = { value: this.ms_Camera.matrixWorldInverse };
					this.ms_Ocean.materialOcean.uniforms.u_cameraPosition = { value: this.ms_Camera.position };
					this.ms_Scene.add( this.ms_Ocean.oceanMesh );

					var gui = new dat.GUI();
					gui.add( this.ms_Ocean, "size", 100, 5000 ).onChange( function ( v ) {

						this.object.size = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "choppiness", 0.1, 4 ).onChange( function ( v ) {

						this.object.choppiness = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "windX", - 15, 15 ).onChange( function ( v ) {

						this.object.windX = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "windY", - 15, 15 ).onChange( function ( v ) {

						this.object.windY = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "sunDirectionX", - 1.0, 1.0 ).onChange( function ( v ) {

						this.object.sunDirectionX = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "sunDirectionY", - 1.0, 1.0 ).onChange( function ( v ) {

						this.object.sunDirectionY = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "sunDirectionZ", - 1.0, 1.0 ).onChange( function ( v ) {

						this.object.sunDirectionZ = v;
						this.object.changed = true;

					} );

					gui.add( this.ms_Ocean, "exposure", 0.0, 0.5 ).onChange( function ( v ) {

						this.object.exposure = v;
						this.object.changed = true;

					} );

				},

				Display: function () {

					this.ms_Renderer.render( this.ms_Scene, this.ms_Camera );

				},

				Update: function () {

					var currentTime = new Date().getTime();
					this.ms_Ocean.deltaTime = ( currentTime - lastTime ) / 1000 || 0.0;
					lastTime = currentTime;
					this.ms_Ocean.render( this.ms_Ocean.deltaTime );
					this.ms_Ocean.overrideMaterial = this.ms_Ocean.materialOcean;

					if ( this.ms_Ocean.changed ) {

						this.ms_Ocean.materialOcean.uniforms.u_size.value = this.ms_Ocean.size;
						this.ms_Ocean.materialOcean.uniforms.u_sunDirection.value.set( this.ms_Ocean.sunDirectionX, this.ms_Ocean.sunDirectionY, this.ms_Ocean.sunDirectionZ );
						this.ms_Ocean.materialOcean.uniforms.u_exposure.value = this.ms_Ocean.exposure;
						this.ms_Ocean.changed = false;

					}

					this.ms_Ocean.materialOcean.uniforms.u_normalMap.value = this.ms_Ocean.normalMapFramebuffer.texture;
					this.ms_Ocean.materialOcean.uniforms.u_displacementMap.value = this.ms_Ocean.displacementMapFramebuffer.texture;
					this.ms_Ocean.materialOcean.uniforms.u_projectionMatrix.value = this.ms_Camera.projectionMatrix;
					this.ms_Ocean.materialOcean.uniforms.u_viewMatrix.value = this.ms_Camera.matrixWorldInverse;
					this.ms_Ocean.materialOcean.uniforms.u_cameraPosition.value = this.ms_Camera.position;
					this.ms_Ocean.materialOcean.depthTest = true;
					//this.ms_Scene.__lights[1].position.x = this.ms_Scene.__lights[1].position.x + 0.01;
					this.Display();

				},

				Resize: function ( inWidth, inHeight ) {

					this.ms_Camera.aspect = inWidth / inHeight;
					this.ms_Camera.updateProjectionMatrix();
					this.ms_Renderer.setSize( inWidth, inHeight );
					this.Display();

				}

			};

			DEMO.Initialize();

			window.addEventListener( 'resize', function () {

				DEMO.Resize( window.innerWidth, window.innerHeight );

			} );

			DEMO.Resize( window.innerWidth, window.innerHeight );

			var render = function () {

				requestAnimationFrame( render );
				DEMO.Update();
				stats.update();

			};

			render();

		</script>
	</body>
</html>